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                   TIME SERIES CUMULATIVE DATA FILE 1948-2016








                                Sep 10, 2019












TABLE OF CONTENTS

 
Note:  sections in the codebook introduction and codebook appendix can 
be navigated in the machine-readable files by searching >>


CUMULATIVE DATA FILE - GENERAL INTRODUCTION  (this file)

CUMULATIVE DATA FILE VARIABLE DOCUMENTATION    (file anes_timeseries_cdf_codebook_var.txt)

CUMULATIVE DATA FILE APPENDICES   (file anes_timeseries_cdf_codebook_app.txt), containing:

>> WEIGHTS IN THE 2012 RELEASE OF THE CUMULATIVE DATA FILE
>> 1992 ERRORS IN CONGRESSIONAL DISTRICT ASSIGNMENTS
>> URBANISM NOTE
>> ETHNICITY
>> INCOME
>> CENSUS OCCUPATION CODES
   I.   1980 CENSUS OCCUPATION CODES
   II.  1990 CENSUS OCCUPATION CODES
>> CENSUS OCCUPATION 71 CATEGORIES
>> WORK STATUS
>> PRESTIGE SCORES
     I.  DUNCAN S.E.I. AND NORC PRESTIGE SCALES 1976-1982
    II.  1984 DUNCAN S.E.I.
   III.  OCCUPATION S.E.S SCORES 1966-1974
>> RELIGION
     I.  RELIGION 1960-1988,2002
    II.  RELIGION 1990-LATER, EXC.2002
   III.  2002 RELIGION NOTE
>> STATE AND COUNTRY CODES (ICPSR)
>> COUNTY CODES
     I.  1956-1960 PSU-COUNTY CODES (VCF0170a)
    II.  1964-1976 SAMPLING-PSU COUNTY CODES (VCF0170b)
   III.  1968-1982 ICPSR COUNTY CODES (VCF0170c)
    IV.  1970,1978-1998 FIPS COUNTY CODES (VCF0170d)
>> PRESIDENTIAL VOTE DECISION (VCF0712)
>> MOST IMPORTANT PROBLEM
     I.  MOST IMPORTANT PROBLEM 1960-1972
    II.  MOST IMPORTANT PROBLEM 1974-LATER
>> STATES AND PARTIES OF ELECTIONS/CANDIDATES
>> 1952-1968 PARTY-CANDIDATE 
>> 1972-LATER PARTY-CANDIDATE











>> CUMULATIVE DATA FILE - GENERAL INTRODUCTION

     The Cumulative Data File consists of variables derived from the 1948-2016
series of biennial ("time-series") SRC/CPS National Election Studies.
[NOTE:  No ANES study was conducted in 1950; 1954 was a minor study although
its data are included here.]

     To produce this dataset, cross-section cases from the time-series
election studies have been pooled; the total unweighted cross-section N is
46,226.  (NOTE:  non-cross-section cases from black supplements in 1964, 
1968 and 1970 are not included in this file.) 

     A variable in the dataset almost always represents a question which
has been asked in three or more (time-series) studies.  This dataset
incorporates for specific questions data from all time-series studies in
which the question was asked in comparable fashion.

     When using variables from this dataset, the analyst should keep the following in mind:  

  1) Question wording has varied over the years.  Where there are 
     differences in question wording, we have tried to reference them 
     in the documentation; completeness of this effort, however, cannot
     be guaranteed. 
  2) Even if a question is worded identically in successive surveys, its
     placement in the survey instrument may be different, with unknown (and
     possibly large) effect. 
  3) Variables have been recoded to be consistent over time. Questions are not
     necessarily coded the same way in this dataset as they are in the
     election study datasets from which they came.



               THE SAMPLE SIZES FOR ALL YEARS ARE AS FOLLOWS:         

                              Cross-section *
                           Weighted**  Unweighted  
                           
               1948:            --        N=662
               1952:            --        N=1899  
               1954:            --        N=1139  
               1956:            --        N=1762  
               1958:          N=1822      N=1450  
               1960:          N=1954      N=1181
               1962:            --        N=1297
               1964:            --        N=1571  
               1966:            --        N=1291 
               1968:            --        N=1557 
     type 0*   1970:            --        N=1507 
     type 1*   1970:          N=835       N=758
     type 2*   1970:          N=817       N=749
               1972:            --        N=2705 
               1974:          N=2523      N=1575 
               1976:          N=2869.5    N=2248   
               1978:            --        N=2304  
               1980:            --        N=1614
               1982:            --        N=1418
               1984:            --        N=2257
               1986:            --        N=2176
               1988:            --        N=2040
               1990:            --        N=1980
               1992:            ****      N=2485
               1994:            ****      N=1795 
               1996:            ****      N=1714 
               1998:            ****      N=1281
               2000:            ****      N=1807
               2002:            ****      N=1511
               2004:            ****      N=1212
               2008:            ****      N=2322
               2012:            ****      N=5914 *****
               2016:            ****      N=4270 *****


* 	1970 numbers exclude 73 non-eligible Rs in the original dataset's
   	cross-section N.  The Cumulative File excludes all non-eligible
      respondents from its cross-section.  For descriptions of type 0, 
      type 1, and type 2 variables in 1970, see weight vars VCF0009-
      VCF0011.

** 	Weighted cross-section Ns are represented in the Guide to Public
   	Opinion and Electoral Behavior, which was produced using data from 
      The Cumulative File.  To reproduce the data appearing in the 
      GPOEB, it is necessary to use appropriate weights (see VCF0009-
      VCF0011).   

****	Combined sample (face-to-face and internet)

NOTE: Weighting 1994 and later are post-stratified and centered to a mean of 1. 



